15665853880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{27143}}^1$

素因数の和:27508

約数の個数: 64

約数和(自身を含む): 36116720640

約数和(自身を除く): 20450866760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 307, 376, 470, 614, 940, 1228, 1535, 1880, 2456, 3070, 6140, 12280, 14429, 27143, 28858, 54286, 57716, 72145, 108572, 115432, 135715, 144290, 217144, 271430, 288580, 542860, 577160, 1085720, 1275721, 2551442, 5102884, 6378605, 8332901, 10205768, 12757210, 16665802, 25514420, 33331604, 41664505, 51028840, 66663208, 83329010, 166658020, 333316040, 391646347, 783292694, 1566585388, 1958231735, 3133170776, 3916463470, 7832926940, 15665853880]

約数ペア:

[(1, 15665853880), (2, 7832926940), (4, 3916463470), (5, 3133170776), (8, 1958231735), (10, 1566585388), (20, 783292694), (40, 391646347), (47, 333316040), (94, 166658020), (188, 83329010), (235, 66663208), (307, 51028840), (376, 41664505), (470, 33331604), (614, 25514420), (940, 16665802), (1228, 12757210), (1535, 10205768), (1880, 8332901), (2456, 6378605), (3070, 5102884), (6140, 2551442), (12280, 1275721), (14429, 1085720), (27143, 577160), (28858, 542860), (54286, 288580), (57716, 271430), (72145, 217144), (108572, 144290), (115432, 135715)]